JM
James Maxwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this James Maxwell across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents H & William — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Maxwell |
| Given Name | James R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Occupation | stenographer |
| Industry | stationery supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Stenographer |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| H Maxwell | Head | — | 48 | ~1892 |
| Sally Maxwell | Daughter | — | 11 | ~1929 |
| William Maxwell | Son | — | 17 | ~1923 |
| James Maxwell | Son | — | 22 | ~1918 |
| Mildred Maxwell | Spouse | — | 45 | ~1895 |
Census Appearances
1920
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 12
St Louis, Missouri · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 22
St.-Louis-City-County, Missouri · implied b. ~1918 — 5 household members
| Surname | Maxwell |
| Given Name | James R. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Occupation | stenographer |
| Industry | stationery supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 300 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links James Maxwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father H Maxwell (~0.92 confidence) and father William Maxwell (~0.92 confidence) and father William Maxwell (~0.92 confidence) and mother Alma Maxwell (~0.92 confidence) and mother Mildred Maxwell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
H Maxwell
b. ~1892
Source father
● Household
· direct · ~0.92
Father
William Maxwell
b. ~1892
Source father
● Household
· direct · ~0.92
Father
William Maxwell
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Alma Maxwell
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mildred Maxwell
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Maxwell
Son · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Sibling
William Maxwell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sally Maxwell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02194-00836)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alma C. Flanagan | 47 | wife | — | Missouri |
| 42 | Stuart Jr. Flanagan | 24 | son | — | Missouri |
| 43 | Benjamin H. Fricke | 40 | head | Broker | Illinois |
| 44 | Marybelle Fricke | 39 | wife | — | Missouri |
| 45 | Peggy Anne Fricke | 16 | daughter | — | Missouri |
| 46 | Galan Fricke | 11 | son | — | Missouri |
| 47 | Katherine Lannon | 24 | maid | Housekeeper | Tennessee |
| 48 | Harry M. Hynes | 56 | head | Salesman | Illinois |
| 49 | Emalyn Hynes | 54 | wife | — | Missouri |
| 50 | Herman Richter | 59 | head | Bar Tender | Illinois |
| 51 | Zida Richter | 53 | wife | — | Missouri |
| 52 | Erwin H. Marting | 42 | head | Sales Correspondent Clerk | Missouri |
| 53 | Ruth Marting | 39 | wife | — | Kansas |
| 54 | Lois Marting | 16 | daughter | — | Missouri |
| 55 | Richard Marting | 11 | son | — | Missouri |
| 56 | Lydia Annecamp | 41 | sister-in-law | Telegraph Operator | Kansas |
| 57 | Roy C. Dripps | 49 | head | Physician | Illinois |
| 58 | Ellen S. Dripps | 41 | wife | — | Kansas |
| 59 | Roy C. Jr. Dripps | 12 | son | — | Missouri |
| 60 | Joseph Yerkes | 50 | head | Proprietor | Pennsylvania |
| 61 | Florence B. Yerkes | 54 | wife | — | Pennsylvania |
| 62 | Joseph Jr. Yerkes | 16 | son | — | Missouri |
| 63 | Elizabeth B. Wolter | 54 | head | — | Missouri |
| 64 | Dorothy Wolter | 29 | daughter | Private Secretary | Missouri |
| 65 | Charles Wolter | 22 | son | — | Missouri |
| 66 | Fredrick Wolter | 20 | son | — | Missouri |
| 67 | Celia Shepperley | 70 | cousin | House Maid | Illinois |
| 68 | H. Raymond Maxwell | 48 | head | Sales Representative Investigator | Missouri |
| 69 | Mildred Maxwell | 45 | wife | — | Missouri |
| 70 | James R. Maxwell THIS PERSON | 22 | son | Stenographer | Missouri |
| 71 | William D. Maxwell | 17 | son | — | Missouri |
| 72 | Sally Maxwell | 11 | daughter | — | Missouri |
| 73 | Lawrence G. Halt | 46 | head | Local Treasurer | Illinois |
| 74 | Ethel Halt | 49 | wife | — | Missouri |
| 75 | Jeanne Halt | 22 | daughter | New Worker | Missouri |
| 76 | Marion Halt | 19 | daughter | — | Missouri |
| 77 | William A. Meis | 64 | head | Dentist | Missouri |
| 78 | Bertha Meis | 62 | wife | — | Missouri |
| 79 | Albert G. Tunsch | 38 | head | Vice President | Missouri |
| 80 | Melba Tunsch | 37 | wife | — | Missouri |
Pedigree Summary
James + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)